/*-----------联系我们---*/
.middle{
    width: 1200px;
    height: 700px;
    margin: auto;
    border:1px solid silver;
    margin-top: 20px;
    margin-bottom: 20px;
    align-content: center;
}

.middle > div:nth-child(1){
    height: 300px;
    width: 1120px;
    /*border: 1px solid red;*/
    margin: 40px;
}
.middle > div:nth-child(2){
    display: flex;
    justify-content: space-around;
    margin: 100px 30px;
}
.middle > div:nth-child(2) > div{
   text-align: center;

}
.middle > div:nth-child(2) > div > div > img{
    width: 48px;
    height: 48px;
}
.middle > div:nth-child(2) > div > div{
    line-height: 40px;
}